Home / 8,099.15-11,141.69-6,603.80

Finding the Fourth Proportional to 8,099.15, 11,141.69 and 6,603.80

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Solution

The fourth proportional to 8,099.15, 11,141.69 and 6,603.80 is: 9,084.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.15 : 11,141.69 = 6,603.80 : x
  2. Step 2: Convert to fraction form
    8,099.15/11,141.69 = 6,603.80/x
  3. Step 3: Cross multiply
    8,099.15x = 11,141.69 × 6,603.80
  4. Step 4: Simplify right side
    8,099.15x = 73,577,403.69
  5. Step 5: Solve for x
    x = 73,577,403.69/8,099.15
  6. Step 6: Final answer
    x = 9,084.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.